2005153936

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{619}}^1\times {\mathrm{3319}}^1$

素因数の和:4007

約数の個数: 40

約数和(自身を含む): 3956244800

約数和(自身を除く): 1951090864

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 619, 976, 1238, 2476, 3319, 4952, 6638, 9904, 13276, 26552, 37759, 53104, 75518, 151036, 202459, 302072, 404918, 604144, 809836, 1619672, 2054461, 3239344, 4108922, 8217844, 16435688, 32871376, 125322121, 250644242, 501288484, 1002576968, 2005153936]

約数ペア:

[(1, 2005153936), (2, 1002576968), (4, 501288484), (8, 250644242), (16, 125322121), (61, 32871376), (122, 16435688), (244, 8217844), (488, 4108922), (619, 3239344), (976, 2054461), (1238, 1619672), (2476, 809836), (3319, 604144), (4952, 404918), (6638, 302072), (9904, 202459), (13276, 151036), (26552, 75518), (37759, 53104)]